---
  - name: Cleanup Comments
    lineinfile:
      path: "{{ authorized_keys_file }}"
      state: absent
      regexp: '^#.*$'

  - name: Add Comment
    blockinfile:
      path: "{{ authorized_keys_file }}"
      marker: ""
      block: |
        # Modified by Ansible on {{ ansible_date_time.date }} at {{ ansible_date_time.time }}